155001053020 has 24 divisors (see below), whose sum is σ = 355093321968. Its totient is φ = 56364019200.

The previous prime is 155001052961. The next prime is 155001053041. The reversal of 155001053020 is 20350100551.

It is a super-2 number, since 2×155001053020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 155001052982 and 155001053000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352274901 + ... + 352275340.

It is an arithmetic number, because the mean of its divisors is an integer number (14795555082).

Almost surely, 2^155001053020 is an apocalyptic number.

155001053020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155001053020 is an abundant number, since it is smaller than the sum of its proper divisors (200092268948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155001053020 is a wasteful number, since it uses less digits than its factorization.

155001053020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704550261 (or 704550259 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 155001053020 its reverse (20350100551), we get a palindrome (175351153571).

The spelling of 155001053020 in words is "one hundred fifty-five billion, one million, fifty-three thousand, twenty".