1013155501 has 8 divisors (see below), whose sum is σ = 1023352704. Its totient is φ = 1002972000.

The previous prime is 1013155499. The next prime is 1013155523. The reversal of 1013155501 is 1055513101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013155501 - 2¹ = 1013155499 is a prime.

It is a super-2 number, since 2×1013155501² = 2052968138413122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013155301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210876 + ... + 215626.

It is an arithmetic number, because the mean of its divisors is an integer number (127919088).

Almost surely, 2^1013155501 is an apocalyptic number.

It is an amenable number.

1013155501 is a deficient number, since it is larger than the sum of its proper divisors (10197203).

1013155501 is a wasteful number, since it uses less digits than its factorization.

1013155501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1013155501 is about 31830.1036913171. The cubic root of 1013155501 is about 1004.3660766319.

Adding to 1013155501 its reverse (1055513101), we get a palindrome (2068668602).

The spelling of 1013155501 in words is "one billion, thirteen million, one hundred fifty-five thousand, five hundred one".