15551430141542 has 16 divisors (see below), whose sum is σ = 24703799372640. Its totient is φ = 7316995874688.

The previous prime is 15551430141517. The next prime is 15551430141563. The reversal of 15551430141542 is 24514103415551.

It is a super-2 number, since 2×15551430141542² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15551430141542.

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, 41190317 + ... + 41566152.

It is an arithmetic number, because the mean of its divisors is an integer number (1543987460790).

Almost surely, 2^{15551430141542} is an apocalyptic number.

15551430141542 is a deficient number, since it is larger than the sum of its proper divisors (9152369231098).

15551430141542 is a wasteful number, since it uses less digits than its factorization.

15551430141542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82762015.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 15551430141542 in words is "fifteen trillion, five hundred fifty-one billion, four hundred thirty million, one hundred forty-one thousand, five hundred forty-two".