1551003210042 has 64 divisors (see below), whose sum is σ = 3729066840576. Its totient is φ = 423757575360.

The previous prime is 1551003210041. The next prime is 1551003210089. The reversal of 1551003210042 is 2400123001551.

It is a happy number.

It is a super-3 number, since 3×1551003210042³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1551003209994 and 1551003210021.

It is not an unprimeable number, because it can be changed into a prime (1551003210041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20982828 + ... + 21056615.

It is an arithmetic number, because the mean of its divisors is an integer number (58266669384).

Almost surely, 2^{1551003210042} is an apocalyptic number.

1551003210042 is an abundant number, since it is smaller than the sum of its proper divisors (2178063630534).

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

1551003210042 is a wasteful number, since it uses less digits than its factorization.

1551003210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42039515.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1551003210042 its reverse (2400123001551), we get a palindrome (3951126211593).

The spelling of 1551003210042 in words is "one trillion, five hundred fifty-one billion, three million, two hundred ten thousand, forty-two".